<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	private $_Id;
	
	public function authenticate()
	{
		$users = User::model()->findByAttributes(array('username'=>$this->username));
		
		if(Userdao::login($users, $this->password)){
			$this->errorCode=self::ERROR_NONE;
		}else{
			if($users === null){
				$this->errorCode=self::ERROR_USERNAME_INVALID;
			}else {
				$this->errorCode=self::ERROR_PASSWORD_INVALID;
			}
		}
		
		//$usermodel = new UserModel($users);
		
		$this->_Id = $users;
		return !$this->errorCode;
	}
	
	public  function getId(){
		return $this->_Id;
	}
	
	public  function setId($users){
		//$usermodel = new UserModel($users);		
		$this->_Id = $users;
	}
}